High cerium oxide hydroxide
Chemical formula: Ce (OH) 4
Relative molecular weight: 208.15
CAS number: 2014-56-1
EINECS number: 234-599-7
Water solubility: Insoluble.
Yellow or brownish yellow powder, insoluble in water and weak acid, soluble in concentrated acid, and the formation of the corresponding salt.
Packing: 1000 kg / bag, neutral packing, also can according to the customer request to carry on the packing.
1 used as a bleaching agent and clarifying agent for glass in the glass (color TV glass) industry.
2 in the chemical industry for the production of automotive exhaust purification catalyst, PVC plastic stabilizer.
3 is also used in the synthesis of naphthalene acid cerium paint drying agent.
4. In the metallurgical industry for ductile iron ball agent smelting cerium ferro silicon alloy, can also be used for the smelting of CE rich rare earth ferrosilicon alloy materials.
5 used as additive in electroplating technology.
Solvent extraction method: Mixed light rare earth ore with sodium carbonate roasting, dilute sulfuric acid leaching, rare earth sulfate leaching solution, adding potassium permanganate, borax, using 2 - (2-ethyl hexyl) phosphoric acid (P204) and tributyl phosphate (TBP) kerosene as extractant, separation of cerium and the other three valence rare earth. Back extraction with sulfuric acid and raffinate with sodium sulfate to generate double salt precipitation, filtering, washing, adding sodium hydroxide conversion, filtering, drying of ceric hydroxide by.
In case of contact with the eyes, immediately rinse with plenty of water and send medical diagnosis and treatment.
Flammable risk characteristics: Non combustible.
Storage and transportation characteristics: Low temperature ventilation drying.
Fire extinguishing agent: Water.